4x^3-9x^2-6x=0

Simple and best practice solution for 4x^3-9x^2-6x=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 4x^3-9x^2-6x=0 equation:


Simplifying
4x3 + -9x2 + -6x = 0

Reorder the terms:
-6x + -9x2 + 4x3 = 0

Solving
-6x + -9x2 + 4x3 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), 'x'.
x(-6 + -9x + 4x2) = 0

Subproblem 1

Set the factor 'x' equal to zero and attempt to solve: Simplifying x = 0 Solving x = 0 Move all terms containing x to the left, all other terms to the right. Simplifying x = 0

Subproblem 2

Set the factor '(-6 + -9x + 4x2)' equal to zero and attempt to solve: Simplifying -6 + -9x + 4x2 = 0 Solving -6 + -9x + 4x2 = 0 Begin completing the square. Divide all terms by 4 the coefficient of the squared term: Divide each side by '4'. -1.5 + -2.25x + x2 = 0 Move the constant term to the right: Add '1.5' to each side of the equation. -1.5 + -2.25x + 1.5 + x2 = 0 + 1.5 Reorder the terms: -1.5 + 1.5 + -2.25x + x2 = 0 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + -2.25x + x2 = 0 + 1.5 -2.25x + x2 = 0 + 1.5 Combine like terms: 0 + 1.5 = 1.5 -2.25x + x2 = 1.5 The x term is -2.25x. Take half its coefficient (-1.125). Square it (1.265625) and add it to both sides. Add '1.265625' to each side of the equation. -2.25x + 1.265625 + x2 = 1.5 + 1.265625 Reorder the terms: 1.265625 + -2.25x + x2 = 1.5 + 1.265625 Combine like terms: 1.5 + 1.265625 = 2.765625 1.265625 + -2.25x + x2 = 2.765625 Factor a perfect square on the left side: (x + -1.125)(x + -1.125) = 2.765625 Calculate the square root of the right side: 1.663016837 Break this problem into two subproblems by setting (x + -1.125) equal to 1.663016837 and -1.663016837.

Subproblem 1

x + -1.125 = 1.663016837 Simplifying x + -1.125 = 1.663016837 Reorder the terms: -1.125 + x = 1.663016837 Solving -1.125 + x = 1.663016837 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.125' to each side of the equation. -1.125 + 1.125 + x = 1.663016837 + 1.125 Combine like terms: -1.125 + 1.125 = 0.000 0.000 + x = 1.663016837 + 1.125 x = 1.663016837 + 1.125 Combine like terms: 1.663016837 + 1.125 = 2.788016837 x = 2.788016837 Simplifying x = 2.788016837

Subproblem 2

x + -1.125 = -1.663016837 Simplifying x + -1.125 = -1.663016837 Reorder the terms: -1.125 + x = -1.663016837 Solving -1.125 + x = -1.663016837 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.125' to each side of the equation. -1.125 + 1.125 + x = -1.663016837 + 1.125 Combine like terms: -1.125 + 1.125 = 0.000 0.000 + x = -1.663016837 + 1.125 x = -1.663016837 + 1.125 Combine like terms: -1.663016837 + 1.125 = -0.538016837 x = -0.538016837 Simplifying x = -0.538016837

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.788016837, -0.538016837}

Solution

x = {0, 2.788016837, -0.538016837}

See similar equations:

| 70=-2(m+4)+m | | A^2+a-25=0 | | 5-3x=50-2x | | .89x=8+.44x | | 4x-12=16-3x | | 9+7x=7x^2 | | 4x-7y=36 | | x-3/2=x-1/3 | | lx-8l=6 | | (20-2x)=(30-22x) | | -3(x+4)=-3x-12 | | (-36ac)/(-9) | | 7/3=7÷ | | 22-3f=5f-10 | | X-3y=-28 | | an=27+(n-1)(-4) | | 4x^2=-20+24x | | X^2-x+3m=0 | | -3(x+2)-(2x+4)=12 | | 42-8x=12+7x | | (75-2x)=(85-3x) | | 2e=e-6 | | 15x=12x+3 | | 8(2x-3)=2(3x-2) | | 6h+2=5(h+3) | | 6x-6+7x-8=180 | | (12+-4)(-5)= | | -3/5(x-5)+4x=0x | | 10p-6p-3p=12 | | (c-3)(-9c^4-7c^3-5c^2)= | | 1/500=x/875 | | 18q-17q=13 |

Equations solver categories